Home / 7,488.33-11,222.70-5,415.27

Finding the Fourth Proportional to 7,488.33, 11,222.70 and 5,415.27

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Solution

The fourth proportional to 7,488.33, 11,222.70 and 5,415.27 is: 8,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.33 : 11,222.70 = 5,415.27 : x
  2. Step 2: Convert to fraction form
    7,488.33/11,222.70 = 5,415.27/x
  3. Step 3: Cross multiply
    7,488.33x = 11,222.70 × 5,415.27
  4. Step 4: Simplify right side
    7,488.33x = 60,773,950.63
  5. Step 5: Solve for x
    x = 60,773,950.63/7,488.33
  6. Step 6: Final answer
    x = 8,115.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.